Same issue on my side. According to https://github.com/TheThingsNetwork/lorawan-devices/blob/master/vendor/sensecap/loramodule-e5-profile.yaml, ping_slot_frequency value is set to 0 we have no way to change this since the settings are managed by SeedStudio. The parameter is not set in any other yaml file for SenseCap models , mabe it should just be removed from the file and it would get a default value